package lab02.test12;

/**
 * Created by dell on 2017/10/19.
 */
public class Shape {
    double area;
    double perimeter;
    //方法：求面积和周长，方法的体内容为空
    double getArea (){
        return area;
    }
   double  getPerimeter (){
        return perimeter;
   }
    }